.middle > div {
    border: 1px solid gray;
}

.middle > div:nth-child(1) > div:nth-child(1) {
    display: flex;
    justify-content: space-between;
}

/*-----栏目--------*/
.col {
    display: flex;
    align-items: center;
}

.col > div {
    padding: 0 20px;
    height: 60px;
    line-height: 60px;
    background-color: rgb(243, 243, 243);
}

.col > div:hover {
    background-color: #ff9e60;
    color: white;
    cursor: pointer;
}

/*------------------新闻内容--------------*/
.news > div {
    display: flex;
    justify-content: space-between;
    /*width: 880px;*/
    border-bottom: 1px solid gray;
    font-family: 新宋体;
    margin: 15px 0 0 0;
    line-height: 30px;
}

.single-over {
    width: 760px;
}

.news > div > div:nth-child(1) {
    display: flex;
}
